From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eddie James Date: Thu, 16 Aug 2018 14:43:20 -0500 Subject: [RFC 1/2] dt-bindings: media: Add Aspeed Video Engine binding documentation In-Reply-To: <1534448601-74120-1-git-send-email-eajames@linux.vnet.ibm.com> References: <1534448601-74120-1-git-send-email-eajames@linux.vnet.ibm.com> Message-ID: <1534448601-74120-2-git-send-email-eajames@linux.vnet.ibm.com> List-Id: To: linux-aspeed@lists.ozlabs.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Document the bindings. Signed-off-by: Eddie James --- .../devicetree/bindings/media/aspeed-video.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/aspeed-video.txt diff --git a/Documentation/devicetree/bindings/media/aspeed-video.txt b/Documentation/devicetree/bindings/media/aspeed-video.txt new file mode 100644 index 0000000..91a494e --- /dev/null +++ b/Documentation/devicetree/bindings/media/aspeed-video.txt @@ -0,0 +1,25 @@ +* Device tree bindings for Aspeed Video Engine + +The Video Engine (VE) embedded in the Aspeed AST2400 and AST2500 SOCs can +capture and compress video data from digital or analog sources. + +Required properties: + - compatible: "aspeed,ast2400-video" or "aspeed,ast2500-video" + - reg: contains the offset and length of the VE memory region + - clocks: pointers to the the "vclk" and "eclk" of the syscon + - clock-names: "vclk-gate", "eclk-gate" + - resets: pointer to the VE reset of the syscon + - interrupts: the interrupt associated with the VE on this platform + - reg-scu: pointer to the syscon itself + +Example: + +video: video at 1e700000 { + compatible = "aspeed,ast2500-video"; + reg = <0x1e700000 0x20000>; + clocks = <&syscon ASPEED_CLK_GATE_VCLK>, <&syscon ASPEED_CLK_GATE_ECLK>; + clock-names = "vclk-gate", "eclk-gate"; + resets = <&syscon ASPEED_RESET_VIDEO>; + interrupts = <7>; + reg-scu = <&syscon>; +}; -- 1.8.3.1